We are members like you, and I am afraid that without full details, it is impossible to understand what you mean.
We have nothing to do with charges, which once incurred have to be paid.
If this has anything to do with the item you sold at the beginning of March, fees would be deducted ftom payment received. If buyer did not pay then I am afraid you are too late now to do anything about the selling fee which would be charged, unless sale cancelled within 30 days.